612939142 has 8 divisors (see below), whose sum is σ = 919521432. Its totient is φ = 306432000.

The previous prime is 612939133. The next prime is 612939143. The reversal of 612939142 is 241939216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×612939142³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612939143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11142 + ... + 36742.

It is an arithmetic number, because the mean of its divisors is an integer number (114940179).

Almost surely, 2^612939142 is an apocalyptic number.

612939142 is a deficient number, since it is larger than the sum of its proper divisors (306582290).

612939142 is a wasteful number, since it uses less digits than its factorization.

612939142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37574.

The product of its digits is 23328, while the sum is 37.

The square root of 612939142 is about 24757.6077600401. The cubic root of 612939142 is about 849.4525388208.

The spelling of 612939142 in words is "six hundred twelve million, nine hundred thirty-nine thousand, one hundred forty-two".